generateDescriptorSubsample 34 modules/features2d/src/kaze/AKAZEFeatures.cpp generateDescriptorSubsample(descriptorSamples_, descriptorBits_, options_.descriptor_size, generateDescriptorSubsample 61 modules/features2d/src/kaze/AKAZEFeatures.h void generateDescriptorSubsample(cv::Mat& sampleList, cv::Mat& comparisons,